Due to its unknown nature, we cannot perform a protocol for its entry into the gas phase and analysis using method GC/MS. Additionally, we cannot prepare a standard for its compounds and use method HPLC. Even for method LC/MS, which we have access to, it must enter the gas phase in the final stage, which is not possible, and on the other hand, we cannot concentrate it. Its water content is very high.
Have you tried mass spectrometry with electrospray ionization, possibly in combination with ion mobility like TIMS or TWIMS?
I suggest to remove water by lyophilization and chromatographie your simple
Faride Noroozi shahri
Unknown solution is too general as statement! You should know where it comes from, so you should have at least a vague idea of the composition.
Anyway, the extraction of pesticides from water using the SPE cartridge can be taken as an example.
Jürgen Weippert , Hajar Bencheikh , Roberto Molteni
I am grateful for your responses. I will review them and ask my next questions based on them.
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